This bulletin provides the procedure to update the software for the Battery Management System (BMS) on...
Hyundai technical service bulletin 25-01-010H TSB for 2020-2022 Hyundai Sonata Hybrid, 2022, 2024 Hyundai Tucson Hybrid and 2021-2023 Hyundai Elantra Hybrid.
- Bulletin number
- 25-01-010H TSB (9B4)
- Component
- Fuel/propulsion system
- Summary
- This bulletin provides the procedure to update the software for the Battery Management System (BMS) on certain Elantra Hybrid (CN7 HEV), Sonata Hybrid (DN8 HEV), and Tucson Hybrid (NX4 HEV) vehicles that may exhibit a warning light with DTC P1BB20.
Owners of these vehicles have filed 43 complaints in the fuel system category.
Vehicles covered
- Hyundai Sonata Hybrid 2020-2022 202020212022
- Hyundai Tucson Hybrid 2022, 2024 20222024
- Hyundai Elantra Hybrid 2021-2023 202120222023
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